10. An act of kissing puts 29 facial muscles in motion. In other words, kissing can be used as an effective exercise to prevent the development of wrinkles。

　　接吻过程过程中要动用29块面部肌肉。换句话说，接吻是一种有效地预防皱纹的运动。
　　
　　11. Lovers swap saliva containing various substances e.g. fats, mineral salts, proteins while kissing. According to latest studies, the exchange of the above substances can give a boost to the production of antibodies which are made specifically to deal with the antigens associated with different diseases as they are encountered。

　　情人接吻时交换的唾液含有多种成分，比如脂肪、矿物质、蛋白质等。根据最新的研究，这些物质的交换可以增强抗体的产生，这些抗体是在面对疾病的不同抗原所特别产生的。